Tue Nov 3 08:05:40 PST 2009 Simon Marlow <[email protected]>
* Fix #1185: restart the IO manager after fork()
Ignore-this: 6dc05464f1500104554637f4759738cc
This is the libraries/base part of the patch; there is a corresponding
patch to GHC itself.
The main change is that we now keep track of the IO manager's ThreadId
in a top-level MVar, and ensureIOManagerIsRunning checks whether a
previous IO manager thread is alive before starting one. In the child
of fork(), we can hence call ensureIOManagerIsRunning to restart the
IO manager.
M ./GHC/Conc.lhs -46 +44
View patch online:
http://darcs.haskell.org/packages/base/_darcs/patches/20091103160540-12142-9b38ee1eeb4afc6aae96dff8d7ab6c22c4f83ef7.gz
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